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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1954 | 2 |
| 1958 | 1 |
| 1959 | 1 |
| 1963 | 7 |
| 1964 | 6 |
| 1965 | 3 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 8 |
| 1970 | 6 |
| 1971 | 3 |
| 1972 | 10 |
| 1973 | 8 |
| 1974 | 15 |
| 1975 | 15 |
| 1976 | 23 |
| 1977 | 16 |
| 1978 | 12 |
| 1979 | 18 |
| 1980 | 13 |
| 1981 | 19 |
| 1982 | 22 |
| 1983 | 28 |
| 1984 | 24 |
| 1985 | 25 |
| 1986 | 32 |
| 1987 | 40 |
| 1988 | 45 |
| 1989 | 43 |
| 1990 | 48 |
| 1991 | 59 |
| 1992 | 54 |
| 1993 | 44 |
| 1994 | 46 |
| 1995 | 66 |
| 1996 | 92 |
| 1997 | 65 |
| 1998 | 85 |
| 1999 | 112 |
| 2000 | 147 |
| 2001 | 156 |
| 2002 | 198 |
| 2003 | 199 |
| 2004 | 225 |
| 2005 | 299 |
| 2006 | 289 |
| 2007 | 320 |
| 2008 | 347 |
| 2009 | 441 |
| 2010 | 474 |
| 2011 | 648 |
| 2012 | 694 |
| 2013 | 776 |
| 2014 | 783 |
| 2015 | 854 |
| 2016 | 928 |
| 2017 | 893 |
| 2018 | 894 |
| 2019 | 858 |
| 2020 | 1042 |
| 2021 | 1142 |
| 2022 | 1063 |
| 2023 | 1080 |
| 2024 | 1040 |
| 2025 | 1135 |
| 2026 | 403 |
| 2027 | 1 |